000 00404nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a574.5 S6
100 _a"Singh, Indera P"
245 0 _aMan and His Environment
250 _a\\198000ENGGPSX
260 _aConcept
260 _b1980
260 _cNew Delhi
300 _axxiii+276 p
500 _aincludes index and biblioraphy
942 _cBK
999 _c48239
_d48239